[libc-commits] [libc] [libc] Migrate from baremetal stdio.h to generic stdio.h (PR #152748)

[William Huynh via libc-commits]

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@@ -0,0 +1,38 @@
+//===--- Definition of baremetal stderr -----------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "hdr/stdio_macros.h"
+#include "src/__support/File/cookie_file.h"
+#include "src/__support/File/file.h"
+#include "src/__support/OSUtil/baremetal/io.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+// To save space, all streams are aliased to one stream. Furthermore, no
+// buffering is used.
+cookie_io_functions_t io_func = {.read = __llvm_libc_stdio_read,
+                                 .write = __llvm_libc_stdio_write,
+                                 .seek = nullptr,
+                                 .close = nullptr};
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wglobal-constructors"
+static CookieFile StdErr(&__llvm_libc_stderr_cookie, io_func, nullptr, 0,
+                         _IONBF, File::mode_flags("r+"));
+#pragma clang diagnostic pop
+File *stderr = &StdErr;
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saturn691 wrote:

Ah ok, I am convinced here. I've separated them out

https://github.com/llvm/llvm-project/pull/152748